We provide a full suite of heating, cooling, and ventilation solutions designed to ensure your home or business stays comfortable year-round.
Our skilled team delivers reliable, energy-efficient results tailored to your unique needs.
Keep the Charm. Upgrade the Comfort.
Old homes have character—but that doesn’t mean you have to live with cold spots, noisy systems, or sky-high energy bills.
Our HVAC retrofits modernize your home’s comfort without compromising its charm.
Upgrading your old HVAC system isn’t just about comfort—it’s about putting money back in your pocket
Our retrofits deliver:
Lower utility bills through energy-efficient technology
Even, quiet heating and cooling in every room
Cleaner, healthier air for you and your family
Higher property value and resale appeal
We specialize in HVAC upgrades for homes built decades ago—where ductwork may be outdated or nonexistent. Our team designs retrofits that:
Work with existing structures without major renovations
Improve air distribution and eliminate hot/cold spots
Use smart zoning and modern thermostats for control and savings
Reduce noise with modern, quiet-running equipment
We provide free assessments to show your savings potential
We handle code compliance
We recommend the right solution for your layout and budget
We upgrade without gutting walls or disrupting your life
We have a proven track record in Toronto and GTA heritage homes
Stop living with outdated equipment that struggles to keep up. Our retrofitted systems are built for:
Long-term durability—less maintenance, fewer breakdowns
Season-to-season consistency, no matter how harsh the GTA winters or humid the summers
Smart controls that adapt to your lifestyle and save you money
A stress-free upgrade experience with expert guidance from start to finish
We Listen To You First - Whether You're A Homeowner, Builder, Or Business Owner. Tell Us What You Need, And We'll Make It Happen.
For Homes, We Keep Your Family Comfy.
For New Builds, We Meet Your Deadlines.
For Businesses, We Keep Customers Happy While Cutting Your Energy Bills.
No Cookie-cutter Fixes Here - We Build Heating And Cooling Plans That Work Just Right For Your Space.
Call, Email or
Fill Out The Form Below To Tell Us About Your HVAC Problem, And We’ll Provide A No-obligation Quote.
Our Experts Come To Your Home, Project Site Or Business On Time And Ready To Fix, Install, Or Upgrade Your System.
Step 3: Problem Solved
Whether It's Your Construction Project, Home Or Commercial Property, We Can Solve The Pains You Have Been Dealing With Your Old Hvac System, Making Navraj Air Systems, Your Go-to Stop.
Get Your Quote Below & Unlock Our New Offer
Limited Time Offer:
Get a New Furnace & AC Combo — and We’ll Throw in a Free Smart Thermostat and Humidifier! ($1000+ Value)
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We Completed Hundreds, If Not 1000+ Projects
Problem Solving Pros
Fresh, Creative Solutions, Applied Once, Work Every Time
We Don't Just Solve Problems, We Build Relationships
Our team knows how to make your home feel just right.
These local pros have fixed and installed hundreds of heating and cooling systems across the Toronto area.
They work fast, do the job right the first time, and always find ways to cut your energy bills.
When your family needs to stay warm in winter and cool in summer, our experts make it happen!
Certified technicians
Energy Efficiency
24/7 Emergency Help
Long-Lasting Systems
Expert at Both New Homes & Old Homes
Custom Room-by-Room Control
BONUS: Trusted by Top Builders
We understand the importance of clarity and are here to provide answers to your most common queries.
It’s recommended to service your HVAC system at least twice a year — once before summer for your air conditioning and once before winter for your heating system.
Common signs include unusual noises, inconsistent temperatures, higher energy bills, and poor airflow.
Yes, all our technicians are fully certified, licensed, and insured to provide professional and reliable HVAC services.
With proper maintenance, most HVAC systems last between 10 to 15 years, depending on usage and brand quality.
Navraj Air Systems offers comprehensive HVAC services in the GTA, including furnace installations, air conditioning repairs, gas piping, and indoor air quality solutions.
We provide these with a focus on energy efficiency and reliability for both residential and commercial clients as well as for new construction projects
Choosing Navraj Air Systems for your furnace installation ensures expert service from experienced professionals dedicated to maximizing energy efficiency and cost savings.
Our team prioritizes your comfort and ensures your heating system functions optimally.
Navraj Air Systems offers tailored indoor air quality solutions that include advanced filtration systems and air purifiers to ensure you breathe clean air.
Our expert consultations help identify the best options to fit your specific residential or commercial needs.
Yes, we provide 24/7 emergency repair services to ensure your comfort is restored as quickly as possible.
We install central air conditioning systems, ductless mini-splits, heat pumps, and furnaces, customized to fit your needs.
Yes, we specialize in energy-efficient HVAC upgrades designed to reduce energy consumption and lower utility bills.
Our team carefully assesses your current systems and recommends upgrades that offer the best balance between performance and cost savings.
Regular maintenance, proper insulation, using energy-efficient equipment, and setting your thermostat to optimal temperatures can help reduce energy costs.
How can I improve the energy efficiency of my HVAC system?
Regular maintenance, cleaning/replacing filters, sealing ductwork, and upgrading to a programmable thermostat can significantly improve efficiency.
Navraj Air Systems stands out as a premier HVAC contractor in Toronto due to our commitment to outstanding customer service, reliable solutions, and expert installations.
Our focus on energy efficiency and client satisfaction makes us the top choice for homeowners and businesses.
Absolutely, Navraj Air Systems is fully equipped to handle HVAC repairs for both residential and commercial properties.
Our skilled technicians promptly address any issues to restore your system's performance and ensure comfort.